BLASTING METHOD IN WHICH CONNECTION WORK BETWEEN A LEADING WIRE AND A LEG WIRE IS CONVENIENT AND SAFE BY ARRANGING A CONNECTION POINT OF LEADING WIRE AND LEG WIRE IN A SPECIFIC DIRECTION

摘要

PURPOSE: A blasting method in which connection work between a leading wire and a leg wire is convenient and safe is provided to arrange a connection point of leading wire and leg wire when wiring a leg wire electrically connecting a blasting cap of each blast hole group to a leading wire.;CONSTITUTION: A blasting method in which connection work between a leading wire and a leg wire is convenient and safe includes the following steps. A plurality of blast holes formed in the blasting target ground is tied into a predetermined number in consideration of blasting order and delay time and a blasting cap of explosive installed in the blasting hole of each group is electrically connected with each other. A leg wire electrically connecting the blasting cap of each group is electrically connected to a leading wire. A connection point of the leading wire and leg wire is arranged in a specific direction. The connection point is located in height in which a user is able to hold the leg wire and leading wire with hand without using a separate prop in case of the connection work.;COPYRIGHT KIPO 2013